From pacifiers and diapers to medical devices that help care for preemies, Murrysville-based Respironics Inc. has carved out an unexpected niche selling baby products. Parents with deep attachments to their little ones' Soothies -- one-piece pacifiers that look nothing like the Nuks and Binkies your mother used -- might be surprised to know that the product is one of more than 200 from Children's Medical Ventures, a business unit of Respironics. The Pittsburgh Post-Gazette (http://www.post-gazette.com/pg/06180/701942-28.stm)